Foam generator



FIG. 1 is a front perspective view of the design for foam generator;

FIG. 2 a front elevational view of the design of FIG. 1;

FIG. 3 a rear elevational view of the design of FIG. 1;

FIG. 4 a top plan view of the design of FIG. 1;

FIG. 5 a bottom plan view of the design of FIG. 1;

FIG. 6 a left side view of the design of FIG. 1; and,

FIG. 7 a right side view of the design of FIG. 1. 

The ornamental design for foam generator, as shown and described. 